Diatoms—Living in Glass Houses

Mankind was not the first to invent glass. Since creation,
untold trillions of little creatures, called diatoms, have
made their homes out of glass. Now we’re enlisting their
help to engineer entirely new products for our benefit.

Countless tiny single-celled algae, called diatoms, thrive in seas, lakes,
and moist soil all around the world. These creatures range in size from the
finest dust up to a millimeter (about the thickness of a U.S. dime). More than
70,000 species have been catalogued as animals, plants, or something midway
between.

Many diatom varieties house themselves inside intricate glass structures made
of silica or silicon dioxide, the same composition as sand and glass. The microscopic,
ornate diatom shells variously resemble chandeliers, cylinders, pillboxes, snowflakes,
stars, and crowns. They are treasures of beauty on the smallest scale of creation.

Today materials scientists are looking at diatoms to provide them with ready-made
components to put into miniature devices on a molecular scale (called nanotechnology).

The researchers fabricate small devices for use in electronics, medicine, and
optics. Some diatoms have openings, or pores, that provide ready-made filters
for chemical separation. Other diatom surfaces are covered with a regular array
of glass bumps that can function as focusing lenses for optical computers.

Steve Gschmeissner | Photo Researchers, Inc.

Diatoms also provide components for micro-machines, such as motors, pumps,
and valves. Because glass is fragile, specific diatom shapes are made more durable
by heating at 1,652°F (900°C) for several hours in the presence of magnesium
or titanium vapor. The silica glass vaporizes and is replaced, atom by atom,
with tough metal ceramics in exactly the same shape.1

Researchers also hope to coax diatoms to grow into new useful shapes called
“designer diatoms.” For example, diatoms could become capsules for delivering
medicines to specific parts of the body. Success thus far is limited because
we do not understand how diatoms sculpt their glass palaces, but research continues.2

Diatoms are said by evolutionists to have originated 180 million years ago,
yet their fossils reveal the same intricate designs as living examples.3 In
truth, they first appeared during Creation Week just thousands of years ago,
and they have not improved over time. Instead, diatoms display master craftsmanship
with unlimited potential applications.

Nature is filled with similar examples of planned usefulness. Long ago, Moses
reminded Israel of its practical blessings, including “treasures hidden in the
sand” (Deuteronomy 33:19). In our day, we continue to discover more about God’s
blessings through creation, including diatoms made of sand.

Answers Magazine

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Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ effectively. We focus on providing answers to questions about the Bible—particularly the book of Genesis—regarding key issues such as creation, evolution, science, and the age of the earth.